Ford tri-motor spraying DDT. Western spruce budworm control project. Powder River control unit, Oregon.

Photo by: R.B. Pope
Date: July 1955

Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Portland Station Collection; La Grande, Oregon.
Image: PS-1430

To learn more about this photo collection see:
Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.

For further information about historical western spruce budworm activity and control projects see:
Dolph, Robert E. 1980. Budworm activity in Oregon and Washington, 1947-1979. R6-FIDM-033-1980. Portland, OR: US Dept. of Agriculture, Forest Service, Pacific Northwest Region, Forest Insect and Disease Management. 54 p.

For related historical program information see:
archive.org/details/AerialForestInsectAndDiseaseDetection...
Johnson, J. 2016. Aerial forest insect and disease detection surveys in Oregon and Washington 1947-2016: The survey. Gen. Tech. Rep. R6-FHP-GTR-0302. Portland, OR: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection. 280 p.

For additional historical forest entomology photos, stories, and resources see the Western Forest Insect Work Conference site: wfiwc.org/content/history-and-resources

Image provided by USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth

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